Home / 19,927.76-29,881.74-11,610.68

Finding the Fourth Proportional to 19,927.76, 29,881.74 and 11,610.68

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Solution

The fourth proportional to 19,927.76, 29,881.74 and 11,610.68 is: 17,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.76 : 29,881.74 = 11,610.68 : x
  2. Step 2: Convert to fraction form
    19,927.76/29,881.74 = 11,610.68/x
  3. Step 3: Cross multiply
    19,927.76x = 29,881.74 × 11,610.68
  4. Step 4: Simplify right side
    19,927.76x = 346,947,320.98
  5. Step 5: Solve for x
    x = 346,947,320.98/19,927.76
  6. Step 6: Final answer
    x = 17,410.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.